Base | Representation |
---|---|
bin | 111100010111001101… |
… | …100001011000111111 |
3 | 20012021222211210022200 |
4 | 330113031201120333 |
5 | 2030214331230142 |
6 | 45435231242543 |
7 | 4453102213116 |
oct | 742715413077 |
9 | 205258753280 |
10 | 64813930047 |
11 | 2553a856a49 |
12 | 1068a079453 |
13 | 615bb9b0c9 |
14 | 31cbd5ac7d |
15 | 1a451a264c |
hex | f1736163f |
64813930047 has 12 divisors (see below), whose sum is σ = 96640125504. Its totient is φ = 41815438560.
The previous prime is 64813930019. The next prime is 64813930061. The reversal of 64813930047 is 74003931846.
It is not a de Polignac number, because 64813930047 - 210 = 64813929023 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 64813929984 and 64813930011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64813930007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116153718 + ... + 116154275.
It is an arithmetic number, because the mean of its divisors is an integer number (8053343792).
Almost surely, 264813930047 is an apocalyptic number.
64813930047 is a deficient number, since it is larger than the sum of its proper divisors (31826195457).
64813930047 is a wasteful number, since it uses less digits than its factorization.
64813930047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232308030 (or 232308027 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
The spelling of 64813930047 in words is "sixty-four billion, eight hundred thirteen million, nine hundred thirty thousand, forty-seven".
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